Quantitative Aptitude - Arithmetic Ability Questions

Find the LCM of 12, 16, 20 and 24.

In a college union, there are 48 students. The ratio of the number of boys to the number of girls is 5:3. The number of girls to be added in the union, so that the number of boys to girls in 6:5 is

If (X/4) = (Y/5) = (Z/9), then what is X : Y : Z?

Select the odd number from the given alternatives.

If x2 – 4x + 1 = 0, then what is the value of x9 + x7 – 194x5 – 194x3?

What is the value of 1sin490-θ+1cos290-θ - 1 ?

If P = 350 and Q = 600, then P is how much percentage less than Q?

What is the reflection of the point (5, -2) in the line y = -1?